games-engines/xsystem4: add 1.0.0

Signed-off-by: hautist <lookatnadeko@protonmail.com>

games-engines/xsystem4/Manifest

@@ -0,0 +1,2 @@
+DIST libsys4-6adc519d11a63df266902abf2d8e755d23894709.tar.gz 122332 BLAKE2B c681a70548acfa5cd30730645bad627c692d4b3d409d7c00a0646d4b07ab4a7329d033ad6b019ace6109d9e90f694d2046e5c9bf982eb6aaa195a0c9eec8ac3f SHA512 e35b3c36f7dc7f768c79c10d704b87685195cf0254bc26337183fbe8ba65e7fc6f41d912409a10bb783642e539dbb5ab1a5b7c085144543a4c2a5417f7d883f8
+DIST xsystem4-1.0.0.tar.gz 15518454 BLAKE2B 698be5bb88b7be786a6c5467be40e9f8524eb402dcd31627c639013efa6eee33ba905fed4ff8b03a6c2ec5fe33cea2529eff4d40d105661a158fd37b07564800 SHA512 04cf2e78d1aaa3a080a6a80f21b050a9f9ebd71102da23058b8e9defd7ce9d108fa5e08b809ad637865866b5bb5c2ae59e15926592715b422efbeca6302289be

games-engines/xsystem4/xsystem4-1.0.0.ebuild

@@ -0,0 +1,79 @@
+EAPI=8
+
+inherit meson
+
+# check if submodule commit needs to be updated on each xsystem4 update
+LIBSYS4_COMMIT="6adc519d11a63df266902abf2d8e755d23894709"
+
+DESCRIPTION="Cross-platform implementation of AliceSoft's System 4 game engine"
+HOMEPAGE="https://github.com/nunuhara/xsystem4"
+SRC_URI="
+	https://github.com/nunuhara/xsystem4/archive/${PV}.tar.gz -> ${P}.tar.gz
+	https://github.com/nunuhara/libsys4/archive/${LIBSYS4_COMMIT}.tar.gz -> libsys4-${LIBSYS4_COMMIT}.tar.gz
+"
+
+#libsys4 submodule uses the same license
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="debug gles2"
+
+RDEPEND="
+	dev-libs/cglm
+	dev-libs/libffi
+	media-libs/freetype:2
+	media-libs/libpng
+	media-libs/libsndfile
+	media-libs/libsdl2
+	media-libs/libwebp
+	sys-libs/zlib
+	media-libs/libjpeg-turbo
+	>=media-video/ffmpeg-5.1
+	gles2? (
+		media-libs/mesa
+	)
+	!gles2? (
+		virtual/opengl
+		media-libs/glew:0=
+	)
+	debug? (
+		dev-scheme/chibi
+	)
+"
+
+DEPEND="
+	${RDEPEND}
+"
+
+BDEPEND="
+	sys-devel/bison
+	sys-devel/flex
+	dev-build/meson
+	dev-build/ninja
+	virtual/pkgconfig
+"
+
+src_unpack() {
+	default
+
+	rmdir "${S}"/subprojects/libsys4 || die
+	mv "${WORKDIR}"/libsys4-${LIBSYS4_COMMIT}/ "${S}"/subprojects/libsys4 || die
+}
+
+src_configure() {
+	local emesonargs=(
+		$(meson_feature debug debugger)
+		$(meson_feature gles2 opengles)
+	)
+
+	meson_src_configure
+}
+
+src_install() {
+	meson_src_install
+
+	# Documentation is installed automatically by meson
+	# (shaders/, fonts/, debugger.scm are installed to datadir/xsystem4)
+
+	dodoc README.md game_compatibility.md
+}